18199958

素因数分解:

$2^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1427}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 13056106

約数列:

[1, 2, 7, 14, 911, 1427, 1822, 2854, 6377, 9989, 12754, 19978, 1299997, 2599994, 9099979, 18199958]

約数ペア:

[(1, 18199958), (2, 9099979), (7, 2599994), (14, 1299997), (911, 19978), (1427, 12754), (1822, 9989), (2854, 6377)]